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CVE-2022-41040

8.8
HIGHCVSS v3.1 Base Score
94.15%
HIGH RiskEPSS (100th percentile)
KEV

Microsoft Exchange Server Elevation of Privilege Vulnerability

Published: 10/3/2022
Modified: 10/30/2025
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ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

Microsoft Exchange Server Server-Side Request Forgery Vulnerability

Vendor / Product:

Microsoft Exchange Server

Required Action:

Apply updates per vendor instructions.

Due Date: 10/21/2022(OVERDUE)
Ransomware Campaign Use
Added to KEV:

9/30/2022

Notes:

https://msrc-blog.microsoft.com/2022/09/29/customer-guidance-for-reported-zero-day-vulnerabilities-in-microsoft-exchange-server/; https://nvd.nist.gov/vuln/detail/CVE-2022-41040

Vulnerability Summary

CVSS v3 Score

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score (Exploitation Probability)

94.15%HIGH Exploitation Risk
100th percentile

This vulnerability has a 94.15% probability of being exploited in the next 30 days, ranking higher than 100% of all scored CVEs.

CWE Classification

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